In an impulsive manner; with force; by impulse.(adverb)
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Use "impulsively" in a sentence
""Yes, I've read 'm," he broke in impulsively, spurred on to exhibit and make the most of his little store of book knowledge, desirous of showing her that he was not wholly a stupid clod."
"McCain impulsively threatens critics over 'hothead' accusations"
""Mr. Harley," she called impulsively, and when he turned back to her she had no choice but to continue."